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发明名称
摘要
申请公布号
JPS4714863(U)
申请公布日期
1972.10.21
申请号
JP19710018028U
申请日期
1971.03.16
申请人
发明人
分类号
A47L13/16;(IPC1-7):A47L13/16
主分类号
A47L13/16
代理机构
代理人
主权项
地址
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